public string OCRProcess(Bitmap img)
{
Bitmap processedImg = ImageProcFunc.Auto_Thresholding(img, imgFunc, imgFuncP1, imgFuncP2);
try
{
//img.Save(Environment.CurrentDirectory + "\\temp\\tmp.PNG");
processedImg.Save(Environment.CurrentDirectory + "\\temp\\tmp.PNG", System.Drawing.Imaging.ImageFormat.Png);
Process p = new Process();
// Redirect the output stream of the child process.
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.StartInfo.CreateNoWindow = true;
p.StartInfo.FileName = "C:\\Program Files (x86)\\Tesseract-OCR\\tesseract";
p.StartInfo.Arguments = "-l jpn temp\\tmp.PNG temp\\outputbase";
p.Start();
// Do not wait for the child process to exit before
// reading to the end of its redirected stream.
// p.WaitForExit();
// Read the output stream first and then wait.
string output = p.StandardOutput.ReadToEnd();
p.WaitForExit();
byte[] bs = System.IO.File.ReadAllBytes(Environment.CurrentDirectory + "\\temp\\outputbase.txt");
string result = Encoding.UTF8.GetString(bs);
return(result);
}
catch (Exception ex)
{
errorInfo = ex.Message;
return(null);
}
}
public override async Task <string> OCRProcessAsync(Bitmap img)
{
if (img == null || langCode == null || langCode == "")
{
errorInfo = "Param Missing";
return(null);
}
string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/general_basic?access_token=" + accessToken;
HttpWebRequest request = WebRequest.CreateHttp(host);
request.Method = "post";
request.Timeout = 8000;
// 图片的base64编码
string base64 = ImageProcFunc.GetFileBase64(img);
String str = "language_type=" + langCode + "&image=" + HttpUtility.UrlEncode(base64);
byte[] buffer = Encoding.Default.GetBytes(str);
request.ContentLength = buffer.Length;
using (var requestStream = request.GetRequestStream())
{
await requestStream.WriteAsync(buffer, 0, buffer.Length);
}
string result;
try
{
HttpWebResponse response = (HttpWebResponse)await request.GetResponseAsync();
StreamReader reader = new StreamReader(response.GetResponseStream());
result = await reader.ReadToEndAsync();
response.Close();
}
catch (WebException ex)
{
errorInfo = ex.Message;
return(null);
}
StringBuilder sb = new StringBuilder();
BaiduOCRresOutInfo oinfo = JsonConvert.DeserializeObject <BaiduOCRresOutInfo>(result);
if (oinfo.words_result != null)
{
for (int i = 0; i < oinfo.words_result_num; i++)
{
sb.AppendLine(oinfo.words_result[i].words);
}
return(sb.ToString());
}
else
{
errorInfo = "UnknownError";
return(null);
}
}
/// <summary>
/// OCR处理，根据设定的截图区域自动截图后识别
/// </summary>
/// <returns>返回识别结果，如果为空可通过GetLastError得到错误提示</returns>
public Task <string> OCRProcessAsync()
{
Bitmap img = ScreenCapture.GetWindowRectCapture(WinHandle, OCRArea, isAllWin);
if (img == null)
{
errorInfo = "未设置截图区域";
return(null);
}
Bitmap processedImg = ImageProcFunc.Auto_Thresholding(img, imgProc);
return(OCRProcessAsync(processedImg));
}
public string OCRProcess(Bitmap img)
{
try {
Bitmap processedImg = ImageProcFunc.Auto_Thresholding(img, imgFunc, imgFuncP1, imgFuncP2);
var page = TessOCR.Process(processedImg);
string res = page.GetText();
page.Dispose();
return(res);
}
catch (Exception ex) {
errorInfo = ex.Message;
return(null);
}
}
/// <summary>
/// OCR处理，根据设定的截图区域自动截图后识别
/// </summary>
/// <returns>返回识别结果，如果为空可通过GetLastError得到错误提示</returns>
public string OCRProcess()
{
if (OCRArea != null)
{
Bitmap img = new Bitmap(ScreenCapture.GetWindowRectCapture(WinHandle, OCRArea, isAllWin));
Bitmap processedImg = ImageProcFunc.Auto_Thresholding(img, imgProc);
return(OCRProcess(new Bitmap(processedImg)));
}
else
{
errorInfo = "未设置截图区域";
return(null);
}
}
public string OCRProcess(Bitmap img)
{
if (img == null || langCode == null || langCode == "")
{
errorInfo = "Param Missing";
return(null);
}
Bitmap processedImg = ImageProcFunc.Auto_Thresholding(img, imgFunc, imgFuncP1, imgFuncP2);
string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/general_basic?access_token=" + accessToken;
Encoding encoding = Encoding.Default;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
request.Method = "post";
request.KeepAlive = true;
// 图片的base64编码
string base64 = ImageProcFunc.GetFileBase64(processedImg);
String str = "language_type=" + langCode + "&image=" + HttpUtility.UrlEncode(base64);
byte[] buffer = encoding.GetBytes(str);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
string result = reader.ReadToEnd();
string ret = "";
BaiduOCRresOutInfo oinfo = JsonConvert.DeserializeObject <BaiduOCRresOutInfo>(result);
if (oinfo.words_result != null)
{
for (int i = 0; i < oinfo.words_result_num; i++)
{
ret = ret + oinfo.words_result[i].words + "\n";
}
return(ret);
}
else
{
errorInfo = "UnknownError";
return(null);
}
}
public override Task <string> OCRProcessAsync(Bitmap img)
{
try
{
Process p = Process.Start(new ProcessStartInfo()
{
FileName = path,
Arguments = "- - " + args,
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
StandardOutputEncoding = Encoding.UTF8
});
var imgdata = ImageProcFunc.Image2Bytes(img);
p.StandardInput.BaseStream.Write(imgdata, 0, imgdata.Length);
p.StandardInput.Close();
p.WaitForExit();
string err = p.StandardError.ReadToEnd();
if (err.ToLower().Contains("error"))
{
errorInfo = err;
return(Task.FromResult <string>(null));
}
string result = p.StandardOutput.ReadToEnd();
p.Dispose();
return(Task.FromResult(result));
}
catch (Exception ex)
{
errorInfo = ex.Message;
return(Task.FromResult <string>(null));
}
}
public override async Task <string> OCRProcessAsync(Bitmap img)
{
if (img == null || langCode == null || langCode == "")
{
errorInfo = "Param Missing";
return(null);
}
byte[] imgdata = ImageProcFunc.Image2Bytes(img);
// 计算sign
MD5 md5 = MD5.Create();
var ms = new MemoryStream();
var sw = new StreamWriter(ms);
sw.Write(appId);
sw.Write(BitConverter.ToString(md5.ComputeHash(imgdata)).Replace("-", "").ToLower());
sw.Write(salt);
sw.Write("APICUIDmac");
sw.Write(secretKey);
sw.Flush();
string sign = BitConverter.ToString(md5.ComputeHash(ms.ToArray())).Replace("-", "").ToLower();
sw.Close();
md5.Dispose();
string endpoint = "https://fanyi-api.baidu.com/api/trans/sdk/picture?cuid=APICUID&mac=mac&salt=" + salt + "&appid=" + appId + "&sign=" + sign + "&to=zh&from=" + langCode;
HttpWebRequest request = WebRequest.CreateHttp(endpoint);
request.Method = "POST";
request.Timeout = 8000;
request.UserAgent = "MisakaTranslator";
const string boundary = "boundary";
request.ContentType = "multipart/form-data;boundary=" + boundary;
var rsw = new StreamWriter(request.GetRequestStream());
rsw.WriteLine("--" + boundary);
rsw.WriteLine("Content-Disposition: form-data;name=image;filename=data.png");
rsw.WriteLine("Content-Type: application/octet-stream");
rsw.WriteLine("Content-Transfer-Encoding: binary\r\n");
rsw.Flush();
rsw.BaseStream.Write(imgdata, 0, imgdata.Length);
rsw.WriteLine("\r\n--" + boundary + "--");
rsw.Close();
try
{
using (var resp = await request.GetResponseAsync())
{
string retStr = new StreamReader(resp.GetResponseStream()).ReadToEnd();
var result = JsonConvert.DeserializeObject <Result>(retStr);
if (result.error_code == "0")
{
return(result.data.sumDst);
}
else
{
errorInfo = result.error_code + " " + result.error_msg;
return(null);
}
}
}
catch (WebException ex)
{
errorInfo = ex.Message;
return(null);
}
}
